AJR Filtration - Who We Are and What We Do

AJR Filtration has grown to become an industry-leading manufacturer of high quality engineered dust and liquid filtration products made in the USA. Our 180,000 square foot facility located in St. Charles, Illinois is at the hub of distribution routes serving the United States, North and South America as well as overseas destinations. Family owned, and celebrating 30 years in business, we take personal pride in superior customer service, and comprehensive technical support. Our goal is to achieve a "Most Valued Supplier" status with every customer.

Family Owned, Second Generation Manufacturer


Fastest Lead Times

Our in-house inventory of standard products and free stocking programs allow AJR to get many products out the same day. Running two production shifts five to six days a week, along with extensive raw material and component inventory, means no down time or delays. Once your order has been placed, it moves directly into production in order to get the product out in three to five days.

Custom Filters

AJR's Engineering and Sales Departments have combined over 30 years' experience in the filtrations industry. With an understanding of your filtration processes and goals, we can design and manufacture a filter solution to meet and exceed your needs. All custom products have an individual part number assigned to them exclusive to your company, and will not be sold to anyone else.

No Hidden Costs – Waived Fees For The Following:

  • Private Labeling
  • Rush Orders 
  • Broken Case Quantities
  • Part Set-ups
  • Standard Samples
  • Stocking Programs


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COVID-19 Annoucement

Immediate Release: April 3, 2020

To our valued customers,

Please be aware that AJR Filtration is currently open for business.

We have issued a company statement to all our employees, which provides specific medical guidelines recommended by the CDC to follow should they have any flu-type symptoms. Employees who are feeling ill are advised to stay home. We have taking all necessary precautions at our facility to ensure the safety of our employees and to help us to remain open for the duration of this crisis.  We are monitoring all State and Federal guidelines daily.

We will respect our customers’ and suppliers’ wishes regarding visits to their facilities and sales calls (which have been suspended.) We will handle customer/supplier emergencies on a case-by-case basis. We will continue to be available via phone, email or text. Please use your normal contacts with us. Should you have any issues connecting to any member of our team, please call our Corporate Office at 630-377-8886.

As of this date of this notice, most all our suppliers continue to support as close to normal operations as possible in this turbulent time.  Orders are being shipped as soon as possible and currently within a 7 day window. If we anticipate any changes that could impact manufacturing or create a shipping delay, we will pass that information along to you. In most cases, we have alternate suppliers for supply chain, products and services should the need arise.

We will continue to monitor this unique, evolving situation very closely and are prepared to take appropriate action and offer further guidance to best serve our employees, customers, and suppliers.

We wish you well at this difficult time - Please take care and stay safe,

Andy Hannah
Vice President of Sales

Contact AJR Filtration Today For Your Filtration Solutions!







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